{"url_path":"/weather/alerts/2.49.0.1.840.0.b08c2505d99f892b25ce4bf69b43fa75440cbe75.001.1","section_key":"alert","section_title":"Special Marine Warning issued June 10 at 6:48PM EDT until June 10 at 7:45PM EDT by NWS Detroit/Pontiac MI","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-06-10","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.b08c2505d99f892b25ce4bf69b43fa75440cbe75.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Detroit/Pontiac MI"},"word_count":169,"has_tables":false,"body_markdown":"# Special Marine Warning: Special Marine Warning issued June 10 at 6:48PM EDT until June 10 at 7:45PM EDT by NWS Detroit/Pontiac MI\n\n**Severity:** Severe\n**Certainty:** Likely\n**Urgency:** Immediate\n**Areas:** Detroit River; Lake St. Clair Open Lake (U.S. Portion)\n**Issued by:** NWS Detroit/Pontiac MI\n**Sent:** 2026-06-10T18:48:00-04:00\n**Effective:** 2026-06-10T18:48:00-04:00\n**Expires:** 2026-06-10T19:45:00-04:00\n\n## Description\nSMWDTX\n\nThe National Weather Service in Detroit/Pontiac has issued a\n\n* Special Marine Warning for...\nDetroit River...\nLake St. Clair Open Lake (U.S. Portion)...\n\n* Until 745 PM EDT.\n\n* At 647 PM EDT, strong thunderstorms were located along a line\nextending from near The Ambassador Bridge to near Wyandotte, moving\neast at 20 knots.\n\nHAZARD...Wind gusts 34 knots or greater and small hail.\n\nSOURCE...Radar.\n\nIMPACT...Small craft could be damaged in briefly higher winds and\nsuddenly higher waves.\n\n* Strong thunderstorms will be near...\nThe Ambassador Bridge, Wyandotte, and Belle Isle around 655 PM\nEDT.\nGrosse Pointe around 705 PM EDT.\nSt. Clair Shores around 715 PM EDT.\n\nOther locations impacted by strong thunderstorms include Gibraltar.\n\n## Instructions\nMove to safe harbor until hazardous weather passes."}